#VU69209 Inconsistent interpretation of HTTP requests in IBM WebSphere Application Server and IBM WebSphere Application Server Liberty - CVE-2022-34165

Vulnerability identifier: #VU69209

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-34165

CWE-ID: CWE-444

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM WebSphere Application Server
Server applications / Application servers
IBM WebSphere Application Server Liberty
Server applications / Application servers

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 7.0 - 7.0.0.45, 8.0 - 8.0.0.15, 8.5 - 8.5.5.22, 9.0 - 9.0.5.13

IBM WebSphere Application Server Liberty: 17.0.0.3 - 22.0.0.9

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External links
https://exchange.xforce.ibmcloud.com/vulnerabilities/229429
https://www.ibm.com/support/pages/node/6618747

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.